.app-page {
  max-width: 900px;
  margin: auto;
  padding: 40px 20px 70px;
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 25px;
  padding: 10px 15px;
  border-radius: 9px;
  background: #21132c;
  border: 1px solid #3c2350;
  color: #d8a8ff;
  text-decoration: none;
  transition: 0.25s;
}

.back-button:hover {
  background: #a855f7;
  color: white;
}

.app-card {
  overflow: hidden;
  border-radius: 18px;
  background: linear-gradient(145deg, #251034, #151020);
  border: 1px solid rgba(168, 85, 247, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.app-header {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  padding: 30px;
}

.app-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 15px;
}

.app-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.app-info .label {
  color: #a855f7;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 1.5px;
}

.app-info h1 {
  margin: 8px 0;
  font-size: 34px;
}

.app-info h2 {
  margin: 0 0 20px;
  color: #d8a8ff;
  font-size: 22px;
  font-weight: normal;
}

.app-description {
  padding: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.app-description h3 {
  margin-top: 0;
  color: #d8a8ff;
}

.details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 20px 0;
}

.detail {
  padding: 15px;
  border-radius: 10px;
  background: #171222;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail span {
  display: block;
  color: #777c8b;
  font-size: 12px;
  margin-bottom: 5px;
}

.detail strong {
  color: white;
  font-size: 15px;
}

.download-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px;
  margin-top: 25px;
  border-radius: 10px;
  background: #a855f7;
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  transition: 0.25s;
}

.download-button:hover {
  background: #9333ea;
  transform: translateY(-2px);
}

.error-page {
  text-align: center;
  padding: 80px 20px;
}

.error-page i {
  color: #a855f7;
  font-size: 50px;
  margin-bottom: 20px;
}
@media (max-width: 700px) {
  .app-header {
    display: block;
    padding: 20px;
  }

  .app-image {
    max-width: 300px;
    display: block;
    margin: auto auto 25px;
  }

  .app-info h1 {
    font-size: 27px;
  }

  .details {
    grid-template-columns: 1fr;
  }

  .app-description {
    padding: 20px;
  }
}